Roller shades are the most simple and elegant products in the window decorations. It has the advantages of simple operation, beautiful and simple appearance, good heat insulation performance, and solid and durable structure. When the roller shade is lowered, it can make the indoor light soft, adjust the natural light, avoid the trouble of direct sunlight, and achieve a very good shading effect. When the roller shade is raised, its volume is very small, making the window frame look neat and tidy, and the entire room appears spacious and bright. It can be used in various scenarios.